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WATTS FV-4a REGULATOR HYDRONIC AUTOMATIC AIR BLEEDER/ AUTOMATIC AIR VENT BLEEDER



WATTS FV-4a REGULATOR HYDRONIC AUTOMATIC AIR BLEEDER/ AUTOMATIC AIR VENT BLEEDER

$9.55
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WATTS HY-VENT AUTOMATIC AIR-BLEEDER MODEL FV-4a (medium quality) Install this auto-bleeder on your HYDRONIC SYSTEM to automatically remove the air out of the heating circuit. This unit should be installed at the top port of the 'AIR SCOOP' or at another high point on the system. The thread size is 1/8"-NPT. This is the size on the TOP of the AIR SCOOP. Multiple auto-bleeders may be installed at different points on the loop. You may install one on every circuit (loop). This unit MUST be installed VERTICALLY ONLY! It will not work any other way. These units are individually boxed and are perfectly suitable for retail sale. ALSO AVAILABLE IN BULK QUANTITIES. *(letter after model number is style of finish only--model 'Z' shown which is GOLD in color--COLOR does not affect application) FREE! Sellers: Add a FREE map to your listings. FREE!